C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/44 (2006.01) A01G 9/14 (2006.01) A01G 13/02 (2006.01) B32B 27/20 (2006.01) C01F 7/00 (2006.01) C09C 1/40 (2006.01) C09K 3/00 (2006.01)
Patent
CA 2319441
A hydrotalcite compound which has the excellent ability to absorb infrared rays and has excellent light transmission when contained in an agricultural film; a process for producing the compound; and an infrared absorber and an agricultural film both containing the compound. The hydrotalcite compound is characterized by retaining as the interlaminar anions at least one kind of anions selected among ions of silicon-, phosphorus-, and boron-containing polymeric oxyacids and another kind of anions.
L'invention concerne un composé d'hydrotalcite présentant l'excellente capacité d'absorber les rayons infrarouges et présentant une excellente transmission de la lumière lorsqu'il est contenu dans un film agricole, un procédé de production du composé et un absorbeur à infrarouge ainsi qu'un film agricole tous deux contenant le composé. Le composé d'hydrotalcite est caractérisé en ce qu'il conserve en tant qu'anions interlaminaires au moins un type d'anions choisi parmi les ions d'oxyacides polymères contenant du silicium, du phosphore et du bore ainsi qu'un autre type d'anions.
Okada Akira
Takahashi Hideo
Kyowa Chemical Industry Co. Ltd.
Smart & Biggar
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